Control mechanism for graphophones



E. 0. KLEMM.

' CONTROL MECHANISMFOR GRAPHOPHON ES.

APPLIGATIGN FILED SEPT. 15, 1920.

' Patented May 30, 1922.

UNITED STATES PATENT OFFICE.

EDWIN O. KLEMM, OF DAYTON, OHIO, ASSIGNOR TO KLEMIJE MANUFACTURING COMPANY, 'OFEENTON, MICHIGAN, A CORPURATION.-.

CONTRQL iuncneursia roe onsrnornolvns.

1,411 was;

Specification of Letters Patent.

Patented May 30,1922.

Application filed September 15, 1920. Serial No. 410,517.

1 o cilia/10m it may concern. 7

file it lixuown that l, l'iinvrie O. liilmrn, a citizen of the United States, residing at Dayton. in the county of Montgomery and State of Ohio, have invented certain new and useful Improvements in Control Mechanism for tiraphophones of which the following is a s ecilication.

This invention comprises an'improved derice for controlling the operation of graphophones of types most commonly in use to day.

The primary object of the inventionhas been to devise provisions such that the starting an d stopping of the graphophone is made a part of the functionof the tone or reprodueer arm. in other words I have so designed the stopping device, and parts intermediate of the said device and reproducer arm, that by proper manipulation of the latter the motor by which the record carrier or table actuated may be caused to operate said carrier; another manipulation of said arm will cause an adjustment of the parts whereby a predetermination of the point on the record where stopping of reproduction will take place is obtained; and the customary movement or manipulation of the tone arm may be employed to carry it to the proper point for deposit on the record to mmmcnce re u'oduction in the usual manner. The stopping of reproduction may be predetermined to take place at the end of the record or at a point intermediate of the ends of the record and the peculi:.umeans by which I ac complish the results above outlined are possessed of sin'iplicity and require a comparatively small number of parts to enable the construction to be put into practical "use.

In the accompanying drawings,

Figure l is a perspective view of a preferred GIHbOClll'l'lGIlt of the invention.-

Figure 2 is a sectional view, partly in elevation.

Figure is a sort of diagrammatic view to show the peculiar movement of the rep reducer arm when actuated by the controlling, starting and stopping of the record carrier,

' The improvements of this invention represent a division of my application serial No. 310.910, filed July 15,1919.

Describing these improvements specifically and referring particularly to the drawings,

it will be observed that I utilize the tone arm E carrying the reproducer F and 0t acommon type at present in use. Thearm E 1s one end, carrying the brake susceptible of up and down and lateralmovemerits through the provision of the ball and socket connection E with the base A of the machine. The base A is equipped with the usual motor B, adapted to drive the spindle (I by which the record carrier D is supported as usual. p

I utilize brake means consisting of the brake shoe 8 cooperative with 3 thedisc 1 of the governor 2. i

The starting and stopping controlling de vice includes primarily a shaft 4,journaled in a plate 3, and provided with an That shoe 8. The opshaft 4 is extended updetent arm 6, including the posite end of the wardly to form a horizontal extension 6 and the downward extension 6 An extension 9 on the plate 3 isiconnected by aspring 10with the 'detent arm 6 and normally tends to'rock the shaft 3 to raise the parts 6 and 6 of the detent device,

and thereby to engage the brake shoe Swith the governor disc 1f From the reproducer arm E, for cooperation with thedetent means and brake above described, is a trip 13 having frictional rotative connection with the lower part of the arm E and formed with a downward bend and lateral extension or trip arm 14. The

part ll is adapted to engage the parts 6" and 6 of. the detent means.

With the foregoing understanding of the construction of the parts and their general relation, the following peculiar operations for controlling the stopping point and starting of the carrier D and the record thereon may be obtained. Assuming that the reproduccr needle occupies a position at rest about at the center of the record, and referring to ping of the record at the end of the record track the operator will grasp the reproducer arm E, elevate the same slightly and shift the arm outwardly, say from A toB' according to the diagrammatic illustration of is raised and caused to traversea path some-- thing like that shown from BtogO in F igure 3, the member 14in this way being caused to depress the-portiono of the ar m 6, in

to adjust the reproducer for stopreproduction of the record.

Jure commences. or course, deposit the needle at any polnt in 'means a brake member, an arm carrying the reprotent embodying an arm such; a manner as to disengage the brake shoe 8 from the governor d1sc 1. The operation of the carrier D is thus started by the at 'reproducer arm E preliminarily to control the stopping point may be at any point to bring the needle to any point in the length of the record during the preliminary outward adjustment and before. the raising movement characterized as B to C in Fig- Again, the operator may the length of the record for starting; he does not have todeposit it at the outer end of the track of therecord.

Having thus described my invention what I claim as new is:

\ -1. Graphophone mechanism comprising in combination, a record carrier and a repro ducer to traverse arecord onsaid carrier, driving. mechanism for the carrier, stop for the driving mechanism, including ducer, a trip on the reproducer arm movable with and independently thereof, and a de tent connected with the brake member to control the operativeness thereof, said dehaving a portion to engage and causemovement of the trip relatively to the arm, and a second portion to engage the trip and to be restrained from movement by the trip, and spring means to move the detent arm when the restraining influence of the trip is removed therefrom.

2.111 graphophone mechanism, the combmation with a record carrier and reproducer arm having a reproducer to traverse a record upon said carrier, of a stopping device for the carrier, and instrumentalities intermediate the reproducer means and stopping device for adjusting the instrumentali- -ties relatively to the reproducer means to predetermine the point onthe, record when stoppage of reproduction will. take place, and for. actuating the stopping means to permit starting of the carrier.

8. In graphophone mechanism, the combination with a record carrier and repro ducer arm havinga reproducer to traverse a record upon said carrier, of a stopping device for thecarrler, a trip on the arm and a controlling detent connected wit-lithe stopping means, the trip and detent being manually operable to coact with one another first "for adjusting the trip relatively to the arm to predetermine the time when the stopping means shall become eiiective for stopping; and second, to move the detent to release the stopping means to permit starting of the carrier for reproduction. I

4:. In graphophone mechanism, the combinationv with a record carrier and repro- ,ducer arm having afreproducer to traverse a record upon said carrier, of a stopping device for the carrier, a trip on the arm and a controlling detent connected wlth the stopping means, the trip and detent being man- I ually operable by manipulation of the arm.

5. In graphophone mechanisnn'the combination with a record carrier and reproducer arm having a reproducer to traverse a record upon said carrier, of a stopping device for the carrier, a trip on the arm and a controlling detent connected with the stopping means, the tripv and detent being manually operable by the arm to engage the trip with the detent so that the trip is temporarily held stationary while the arm moves, and to move the trip with (the arm to engage andfshitt thedetent to thereby release the stopping means to permit the carrier to operate.

6. In graphophone. mechanism, the combination with a record carrier and reproducer arm having a reproducer to, traverse a record upon said carrier, of a stopping device for the carrier, a trip on the arm and a controlling detent connected with the stopping means, the trip and detent being manually operable by the arm to engage the trip with the detent so that the trip is temporarily held stationary while the arm moves, to move the trip wlth the arm to engage and shift the detent to thereby release the stopping means to permit the carrier to operate, and to shift the arm toa position for commencement of reproduction of a record on the carrier.

'7. In graphophone mechanism, the combination with a record carrier and reproducer arm having a reproducer to traverse a record upon said carrier, of astopping device iior the carrier, a trip on the arm and a controlling detent connected with the stopping means, the trip and detent being manually operable by the .arm to engage the trip in one manner with the detent so that the trip is held against movement while the arm is being moved,.and to move the trip in a different manner to shift the detent to thereby release the stopping means and permit the carrier to operate.

8. In graphophone mechanisnnthe combination with a record carrier and reproducer arm having a reproducer to traverse a record upon saidcarrier, a brake for the carrier to stop and start the same, and means operable by the reproducer instrnmentalities to control both of said actions of the brake.

In testimony whereof I affix my signature.

EDWIN O. KLEMM. 

